Special collection requirements that contribute to pre-examination (pre-analytical) variability of the specimen include the need to collect the specimen
A. only after a discard tube has been collected.
B. without the use of a tourniquet.
C. without the use of alcohol.
D. in all of these ways.
Answer: D
You might also like to view...
A high ketone concentration in the body is called ketonosis
Indicate whether the statement is true or false
Which of the following are divisions of imaging systems used during flexible bronchoscopy? 1. Fiberoptic 2. Video 3. Hybrid 4. Fusion
a. 1 and 3 only b. 1, 2, and 3 only c. 3 and 4 only d. 2, 3, and 4 only
Which of the following is false regarding nasal medications?
A) Long-term use may cause rebound congestion. B) Nasal medications are best administered by a highly trained medical professional. C) Nasal medications may be used to relieve allergy and cold symptoms. D) Patients should be told to clear the nasal passages prior to use.
In a patient with left heart failure and pulmonary edema:
A) the right atrium and ventricle pump against lower pressures, resulting in the systemic pooling of venous blood. B) diffusely collapsed alveoli cause blood from the right side of the heart to bypass the alveoli and return to the left side of the heart. C) increased pressure in the left atrium and pulmonary veins forces serum out of the pulmonary capillaries and into the alveoli. D) an acute myocardial infarction or chronic hypertension causes the left ventricle to pump against decreased afterload, resulting in hypoperfusion.